ï»?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 25KG甲酸(厂家,ä»äh ¼,批发) - ‹È®é˜³åŽ¿ç‘žå¾·åŒ–工有限公å?/title> <meta name="Keywords" content="25KG甲酸" /> <meta name="Description" content="ä¸ÞZ½ è¯¦ç»†ä»‹ç»25KG甲酸产品内容,包括25KG甲酸的用途、型受÷€èŒƒå›´ã€å›¾ç‰‡ç­‰,在这里你可以得知所æœ?5KG甲酸新闻以及最新的市场25KG甲酸ä»äh ¼.咨询电话:0393-3333111 13938312235" /> <link rel="stylesheet" type="text/css" href="/template/DGYQ0012/lib/top.css" /> <link rel="stylesheet" type="text/css" href="/template/DGYQ0012/lib/about.css" /> <script type="text/javascript" src="/template/DGYQ0012/lib/NSW_Index.js"></script> <script type="text/javascript"> function showTipsInfo(sID) { document.getElementById("div"+sID).style.display = "block"; } function hideTipsInfo(sID) { document.getElementById("div"+sID).style.display = "none"; } </script> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body> <div 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class="insRight"> <div class="insRightTitle"> <span class="chn">产品详情</span> <span class="eng">product details</span> <span class="position"><a href="/">首页</a> > <a href="/supply/">供应产品</a> > <a href="/gyjs/">工业甲酸</a> > <a href="/supply/4.html">25KG甲酸</a></span> <div class="Clear"></div> </div> <div class="insRightContent"> <div class="title_right_2"> <div class="news_details"> <div class="zx_top"> <h1>25KG甲酸</h1> <p><span>文章来源åQ?a href='http://www.jingxintaoci.com/supply/4.html'>http://www.jingxintaoci.com/supply/4.html</a></span><span>发表旉™—´åQ?018-07-25 0:00:00</span></p> </div> <div id="cntrBody" class="zx_txt"> <a href="http://www.jingxintaoci.com/supply/4.html" target="_blank">25KG甲酸</a>的工业制æ³?br /> <p>     甲酸是基本有机化工原料之一åQŒå¹¿æ³›ç”¨äºŽå†œè¯ã€çš®é©ã€æŸ“料、医药和Š™¡èƒ¶½{‰å·¥ä¸šã€‚甲酸可直接用于¾l‡ç‰©åŠ å·¥ã€éž£é©ã€çh¾l‡å“å°æŸ“和青饲料的贮存,也可用作金属表面处理剂、橡胶助剂和工业溶剂。既然甲酸有着˜q™ä¹ˆòq¿æ³›çš„应用,ž®±éœ€è¦ä¸“业的工业制法åQŒæ‰èƒ½ä¾›¾l™è¿™äº›è¡Œä¸šçš„应用åQŒå…³äºŽç”²é…¸çš„工业制法如下åQ?nbsp;  </p> <p> <br /> </p> <p style="text-align:center;"> <img src="http://cmsimgshow.zhuchao.cc/34053/201807251141411393405377103.png" alt="" /> </p> <p style="text-align:center;"> <strong>25KG甲酸  å›?/strong> </p> <p style="text-align:center;"> </p>     1ã€?a href="http://www.jingxintaoci.com/jsn/" target="_blank">甲酸é’?/a>法:一氧化¼„›_’Œæ°¢æ°§åŒ–钠溶液åœ?60-200℃和2MPa压力下反应生成甲酔R’ åQŒç„¶åŽç»¼‹«é…¸é…¸è§£ã€è’¸é¦å³å¾—成品ã€?nbsp;<br />     2、甲醇羰基合成法åQˆåˆ¿U°ç”²é…¸ç”²é…¯æ³•åQ‰ï¼šç”²é†‡å’Œä¸€æ°§åŒ–¼„›_œ¨å‚¬åŒ–剂甲醇钠存在下反应,生成甲酸甲酯åQŒç„¶åŽå†¾læ°´è§£ç”Ÿæˆç”²é…¸å’Œç”²é†‡ã€‚甲醇可循环送入甲酸甲酯反应器,甲酸再经¾_ùN¦å›_¯å¾—到不同规格的äñ”品ã€?br />     3、将适量的一氧化¼„›_’Œæ°¢æ°§åŒ–钠水溶液在160ï½?00 ℃下反应生成甲酸钠,¾lä¸­å’Œã€è’¸é¦ã€å†·å‡è€Œå¾—。或者在三乙胺水溶液中,以钯¾lœåˆç‰©äؓ催化剂,二氧化碳与氢气于140ï½?60℃反应制得ã€?br />     4、甲酰胺法:一氧化¼„›_’Œæ°¨åœ¨ç”²é†‡æº¶æ¶²ä¸­ååº”生成甲酰胺åQŒå†åœ¨ç¡«é…¸å­˜åœ¨ä¸‹æ°´è§£å¾—甲酸,同时副äñ”¼‹«é…¸é“üc€‚原料消耗定额:甲醇31 kg/t、一氧化¼„?02 kg/t、æ°}314 kg/t、硫é…?010 kg/t。另外,丁烷枵轻æ²ÒŽ°§åŒ–法主要用来生äñ”乙酸åQŒç”²é…怽œä¸ºå‰¯äº§å“å›žæ”¶åQŒå¤„于研½I‰™˜¶ŒD늚„æ–ÒŽ³•æœ‰ä¸€æ°§åŒ–¼„›_’Œæ°´ç›´æŽ¥åˆæˆæ³•ã€?br />     ¾_‘Öˆ¶æ–ÒŽ³•åQ?a href="http://www.jingxintaoci.com/msjs/" target="_blank">无水甲酸</a>可在减压下直接分馏制得,分馏时用冰水冷却凝结。对含水甲酸åQŒå¯ç”¨ç¡¼é…æˆ–æ— æ°´¼‹«é…¸é“œåšòq²ç‡¥å‰‚。五氧化二磷和氯化钙能与甲酸作用åQŒä¸å®œç”¨ä½œå¹²ç‡¥å‰‚。对试剂¾U?8%的甲酸,可用邻苯二甲酔R…å›žæµ6ž®æ—¶åŽè’¸é¦çš„æ–ÒŽ³•é™¤åŽ»å…¶ä¸­çš„水分。进一步纯化可利用分步¾l“晶法。甲é…怸Žä¹™é…¸æ··åœ¨ä¸€èµäh—¶åQŒå¯åŠ å…¥è„‚肪烃进行共沸蒸馏分¼›…R€?br />     5、以甲酸钠与‹¹“ç¡«é…怽œç”¨åˆ¶å¾—工业çñ”甲酸åQŒç„¶åŽå¯ç”¨æ´»æ€§ç‚­å”R™„后减压蒸馏以制得¾U¯å“åQŒä¹Ÿå¯åŠ å…¥B2O3CuSO4˜q›è¡Œå‡åŽ‹è’”R¦¾_‘Öˆ¶ã€?br />     6、二氧化¼„Ïx³•åQšåœ¨é’¯ç»œåˆç‰©å‚¬åŒ–下,在三乙胺水溶液中åQŒäºŒæ°§åŒ–¼„³ä¸Žæ°¢æ°”äº?40ï½?60 ℃反应而得ã€?br />     7、主要采用合成酸化法和高压催化法。合成酸化法åQšç”¨ç„¦ç‚­ç‡ƒçƒ§äº§ç”Ÿçš„一氧化¼„³ä¸Žæ°¢æ°§åŒ–钠合成甲酸钠,再用¼‹«é…¸é…¸åŒ–åQŒç»è’”R¦è€Œå¾—。高压催化法åQšå°†ä¸€æ°§åŒ–¼„›_’Œæ°´è’¸æ°”在催化剂存在下åQŒäºŽé«˜æ¸©é«˜åŽ‹ä¸‹ååº”而得ã€?br />     8、将甲酸与五氧化二磷混合åQŒè¿›è¡Œå‡åŽ‹è’¸é¦ï¼Œåå¤5一10‹Æ¡ï¼Œæ–¹å¯å¾—到无水甲酸,但得量低åQŒè´¹æ—‰™•¿åQŒä¼šé€ æˆä¸€äº›åˆ†è§£ã€‚将甲酸与硼酔R†‰˜q›è¡Œè’”R¦åQŒæ“ä½œç®€ä¾¿ï¼Œæ•ˆæžœæ›´å¥½ã€‚å°†¼‹¼é…¸¾|®ç”©æ²ªä¸­é«˜æ¸©è„±æ°´è‡³ä¸å†äñ”生气泡,所得熔融物倒在铁片一上,¾|®å¹²ç‡¥å™¨ä¸­å†·åß_¼Œç„¶åŽç ”磨成粉。将¼‹¼é…¸é…šç»†¾_‰åŠ åˆ°ç”²é…怸­åQŒæ”¾¾|®å‡ æ—¥ï¼Œå½¢æˆ¼‹¬å—åQŒåˆ†å‡ºæ¸…å½ÀL¶²ä½“进行减压蒸馏,攉™›†22一25 â„?12-18 mm馏䆾ä¸ÞZñ”品。蒸馏器应是全磨口接头åƈ有干燥管保护ã€?br /> 标准<br /> GB/T 2093-2011 工业用甲é…?br /> 甲酸含量åQšä»¥é…šé…žä½œæŒ‡½Cºå‰‚åQŒç”¨æ°¢æ°§åŒ–钠溶液滴定ã€?br /> 氯化物:在硝酔R…¸æ€§æº¶æ¶²ä¸­åQŒè¯•æ ·ä¸­çš„æ°¯¼›Õd­ä¸Žç¡é…”R“¶ç”Ÿæˆæ°¯åŒ–é“Óž¼Œä¸Žæ ‡å‡†æ¯”‹¹Šæ¶²˜q›è¡Œæ¯”浊ã€?br /> ¼‹«é…¸ç›ï¼šè¯•æ ·ä¸­åŠ å…¥ç¢³é…”R’ ä½¿ç”²é…怸­¼‹«é…¸æ ¹ç”Ÿæˆç¡«é…¸ç›åQŒåœ¨ç›é…¸å­˜åœ¨ä¸‹åŠ å…¥æ°¯åŒ–钡溶液生成¼‹«é…¸é’¡ï¼Œä¸Žæ ‡å‡†æ¯”‹¹Šæ¶²˜q›è¡Œæ¯”浊ã€?br /> 铁(Fe2+åQ‰ï¼šæŒ‰GB/T 3049-2006规定˜q›è¡Œã€?br /> 蒸发ŒD‹æ¸£åQšæŒ‰GB/T 6026-1998规定˜q›è¡Œã€?br /> </div> <div class="gduo"> <p>上一条:<a href="/supply/5.html">1吨包工业甲酸</a></p> <p>下一条:<a href="/supply/3.html">256KG工业甲酸</a></p> </div> <div 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